Base | Representation |
---|---|
bin | 111111110001010000… |
… | …110110011001000000 |
3 | 20112201221120222002100 |
4 | 333301100312121000 |
5 | 2110212343014314 |
6 | 51242233350400 |
7 | 4642543253664 |
oct | 776120663100 |
9 | 215657528070 |
10 | 68472235584 |
11 | 27047879055 |
12 | 1132b268400 |
13 | 65c2a83b3c |
14 | 3457b668a4 |
15 | 1bab42ec09 |
hex | ff1436640 |
68472235584 has 63 divisors (see below), whose sum is σ = 196281302763. Its totient is φ = 22821985152.
The previous prime is 68472235541. The next prime is 68472235613. The reversal of 68472235584 is 48553227486.
The square root of 68472235584 is 261672.
It is a perfect power (a square), and thus also a powerful number.
68472235584 is a `hidden beast` number, since 6 + 8 + 4 + 7 + 22 + 35 + 584 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 68472235584.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6274677 + ... + 6285579.
Almost surely, 268472235584 is an apocalyptic number.
68472235584 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
68472235584 is the 261672-nd square number.
It is an amenable number.
68472235584 is an abundant number, since it is smaller than the sum of its proper divisors (127809067179).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68472235584 is an frugal number, since it uses more digits than its factorization.
68472235584 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21824 (or 10908 counting only the distinct ones).
The product of its digits is 12902400, while the sum is 54.
The spelling of 68472235584 in words is "sixty-eight billion, four hundred seventy-two million, two hundred thirty-five thousand, five hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •